diff options
Diffstat (limited to 'Source/ThirdParty/ANGLE/src/libEGL/Display.cpp')
| -rw-r--r-- | Source/ThirdParty/ANGLE/src/libEGL/Display.cpp | 490 |
1 files changed, 490 insertions, 0 deletions
diff --git a/Source/ThirdParty/ANGLE/src/libEGL/Display.cpp b/Source/ThirdParty/ANGLE/src/libEGL/Display.cpp new file mode 100644 index 0000000..e2802da --- /dev/null +++ b/Source/ThirdParty/ANGLE/src/libEGL/Display.cpp @@ -0,0 +1,490 @@ +// +// Copyright (c) 2002-2010 The ANGLE Project Authors. All rights reserved. +// Use of this source code is governed by a BSD-style license that can be +// found in the LICENSE file. +// + +// Display.cpp: Implements the egl::Display class, representing the abstract +// display on which graphics are drawn. Implements EGLDisplay. +// [EGL 1.4] section 2.1.2 page 3. + +#include "libEGL/Display.h" + +#include <algorithm> +#include <vector> + +#include "common/debug.h" + +#include "libEGL/main.h" + +#define REF_RAST 0 // Can also be enabled by defining FORCE_REF_RAST in the project's predefined macros + +namespace egl +{ +Display::Display(HDC deviceContext) : mDc(deviceContext) +{ + mD3d9Module = NULL; + + mD3d9 = NULL; + mD3d9ex = NULL; + mDevice = NULL; + mDeviceWindow = NULL; + + mAdapter = D3DADAPTER_DEFAULT; + + #if REF_RAST == 1 || defined(FORCE_REF_RAST) + mDeviceType = D3DDEVTYPE_REF; + #else + mDeviceType = D3DDEVTYPE_HAL; + #endif + + mMinSwapInterval = 1; + mMaxSwapInterval = 1; + setSwapInterval(1); +} + +Display::~Display() +{ + terminate(); +} + +bool Display::initialize() +{ + if (isInitialized()) + { + return true; + } + + mD3d9Module = LoadLibrary(TEXT("d3d9.dll")); + if (mD3d9Module == NULL) + { + terminate(); + return false; + } + + typedef IDirect3D9* (WINAPI *Direct3DCreate9Func)(UINT); + Direct3DCreate9Func Direct3DCreate9Ptr = reinterpret_cast<Direct3DCreate9Func>(GetProcAddress(mD3d9Module, "Direct3DCreate9")); + + if (Direct3DCreate9Ptr == NULL) + { + terminate(); + return false; + } + + typedef HRESULT (WINAPI *Direct3DCreate9ExFunc)(UINT, IDirect3D9Ex**); + Direct3DCreate9ExFunc Direct3DCreate9ExPtr = reinterpret_cast<Direct3DCreate9ExFunc>(GetProcAddress(mD3d9Module, "Direct3DCreate9Ex")); + + // Use Direct3D9Ex if available. Among other things, this version is less + // inclined to report a lost context, for example when the user switches + // desktop. Direct3D9Ex is available in Windows Vista and later if suitable drivers are available. + if (Direct3DCreate9ExPtr && SUCCEEDED(Direct3DCreate9ExPtr(D3D_SDK_VERSION, &mD3d9ex))) + { + ASSERT(mD3d9ex); + mD3d9ex->QueryInterface(IID_IDirect3D9, reinterpret_cast<void**>(&mD3d9)); + ASSERT(mD3d9); + } + else + { + mD3d9 = Direct3DCreate9Ptr(D3D_SDK_VERSION); + } + + if (mD3d9) + { + if (mDc != NULL) + { + // UNIMPLEMENTED(); // FIXME: Determine which adapter index the device context corresponds to + } + + HRESULT result = mD3d9->GetDeviceCaps(mAdapter, mDeviceType, &mDeviceCaps); + + if (result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY) + { + return error(EGL_BAD_ALLOC, false); + } + + if (mDeviceCaps.PixelShaderVersion < D3DPS_VERSION(2, 0)) + { + terminate(); + return error(EGL_NOT_INITIALIZED, false); + } + + mMinSwapInterval = 4; + mMaxSwapInterval = 0; + + if (mDeviceCaps.PresentationIntervals & D3DPRESENT_INTERVAL_IMMEDIATE) {mMinSwapInterval = std::min(mMinSwapInterval, 0); mMaxSwapInterval = std::max(mMaxSwapInterval, 0);} + if (mDeviceCaps.PresentationIntervals & D3DPRESENT_INTERVAL_ONE) {mMinSwapInterval = std::min(mMinSwapInterval, 1); mMaxSwapInterval = std::max(mMaxSwapInterval, 1);} + if (mDeviceCaps.PresentationIntervals & D3DPRESENT_INTERVAL_TWO) {mMinSwapInterval = std::min(mMinSwapInterval, 2); mMaxSwapInterval = std::max(mMaxSwapInterval, 2);} + if (mDeviceCaps.PresentationIntervals & D3DPRESENT_INTERVAL_THREE) {mMinSwapInterval = std::min(mMinSwapInterval, 3); mMaxSwapInterval = std::max(mMaxSwapInterval, 3);} + if (mDeviceCaps.PresentationIntervals & D3DPRESENT_INTERVAL_FOUR) {mMinSwapInterval = std::min(mMinSwapInterval, 4); mMaxSwapInterval = std::max(mMaxSwapInterval, 4);} + + const D3DFORMAT renderTargetFormats[] = + { + D3DFMT_A1R5G5B5, + // D3DFMT_A2R10G10B10, // The color_ramp conformance test uses ReadPixels with UNSIGNED_BYTE causing it to think that rendering skipped a colour value. + D3DFMT_A8R8G8B8, + D3DFMT_R5G6B5, + D3DFMT_X1R5G5B5, + D3DFMT_X8R8G8B8 + }; + + const D3DFORMAT depthStencilFormats[] = + { + // D3DFMT_D16_LOCKABLE, + D3DFMT_D32, + // D3DFMT_D15S1, + D3DFMT_D24S8, + D3DFMT_D24X8, + // D3DFMT_D24X4S4, + D3DFMT_D16, + // D3DFMT_D32F_LOCKABLE, + // D3DFMT_D24FS8 + }; + + D3DDISPLAYMODE currentDisplayMode; + mD3d9->GetAdapterDisplayMode(mAdapter, ¤tDisplayMode); + + ConfigSet configSet; + + for (int formatIndex = 0; formatIndex < sizeof(renderTargetFormats) / sizeof(D3DFORMAT); formatIndex++) + { + D3DFORMAT renderTargetFormat = renderTargetFormats[formatIndex]; + + HRESULT result = mD3d9->CheckDeviceFormat(mAdapter, mDeviceType, currentDisplayMode.Format, D3DUSAGE_RENDERTARGET, D3DRTYPE_SURFACE, renderTargetFormat); + + if (SUCCEEDED(result)) + { + for (int depthStencilIndex = 0; depthStencilIndex < sizeof(depthStencilFormats) / sizeof(D3DFORMAT); depthStencilIndex++) + { + D3DFORMAT depthStencilFormat = depthStencilFormats[depthStencilIndex]; + HRESULT result = mD3d9->CheckDeviceFormat(mAdapter, mDeviceType, currentDisplayMode.Format, D3DUSAGE_DEPTHSTENCIL, D3DRTYPE_SURFACE, depthStencilFormat); + + if (SUCCEEDED(result)) + { + HRESULT result = mD3d9->CheckDepthStencilMatch(mAdapter, mDeviceType, currentDisplayMode.Format, renderTargetFormat, depthStencilFormat); + + if (SUCCEEDED(result)) + { + // FIXME: enumerate multi-sampling + + configSet.add(currentDisplayMode, mMinSwapInterval, mMaxSwapInterval, renderTargetFormat, depthStencilFormat, 0); + } + } + } + } + } + + // Give the sorted configs a unique ID and store them internally + EGLint index = 1; + for (ConfigSet::Iterator config = configSet.mSet.begin(); config != configSet.mSet.end(); config++) + { + Config configuration = *config; + configuration.mConfigID = index; + index++; + + mConfigSet.mSet.insert(configuration); + } + + if (!createDevice()) + { + terminate(); + + return false; + } + } + + if (!isInitialized()) + { + terminate(); + + return false; + } + + return true; +} + +void Display::terminate() +{ + for (SurfaceSet::iterator surface = mSurfaceSet.begin(); surface != mSurfaceSet.end(); surface++) + { + delete *surface; + } + + for (ContextSet::iterator context = mContextSet.begin(); context != mContextSet.end(); context++) + { + glDestroyContext(*context); + } + + if (mDevice) + { + mDevice->Release(); + mDevice = NULL; + } + + if (mD3d9) + { + mD3d9->Release(); + mD3d9 = NULL; + } + + if (mDeviceWindow) + { + DestroyWindow(mDeviceWindow); + mDeviceWindow = NULL; + } + + if (mD3d9ex) + { + mD3d9ex->Release(); + mD3d9ex = NULL; + } + + if (mD3d9Module) + { + FreeLibrary(mD3d9Module); + mD3d9Module = NULL; + } +} + +void Display::startScene() +{ + if (!mSceneStarted) + { + long result = mDevice->BeginScene(); + ASSERT(SUCCEEDED(result)); + mSceneStarted = true; + } +} + +void Display::endScene() +{ + if (mSceneStarted) + { + long result = mDevice->EndScene(); + ASSERT(SUCCEEDED(result)); + mSceneStarted = false; + } +} + +bool Display::getConfigs(EGLConfig *configs, const EGLint *attribList, EGLint configSize, EGLint *numConfig) +{ + return mConfigSet.getConfigs(configs, attribList, configSize, numConfig); +} + +bool Display::getConfigAttrib(EGLConfig config, EGLint attribute, EGLint *value) +{ + const egl::Config *configuration = mConfigSet.get(config); + + switch (attribute) + { + case EGL_BUFFER_SIZE: *value = configuration->mBufferSize; break; + case EGL_ALPHA_SIZE: *value = configuration->mAlphaSize; break; + case EGL_BLUE_SIZE: *value = configuration->mBlueSize; break; + case EGL_GREEN_SIZE: *value = configuration->mGreenSize; break; + case EGL_RED_SIZE: *value = configuration->mRedSize; break; + case EGL_DEPTH_SIZE: *value = configuration->mDepthSize; break; + case EGL_STENCIL_SIZE: *value = configuration->mStencilSize; break; + case EGL_CONFIG_CAVEAT: *value = configuration->mConfigCaveat; break; + case EGL_CONFIG_ID: *value = configuration->mConfigID; break; + case EGL_LEVEL: *value = configuration->mLevel; break; + case EGL_NATIVE_RENDERABLE: *value = configuration->mNativeRenderable; break; + case EGL_NATIVE_VISUAL_TYPE: *value = configuration->mNativeVisualType; break; + case EGL_SAMPLES: *value = configuration->mSamples; break; + case EGL_SAMPLE_BUFFERS: *value = configuration->mSampleBuffers; break; + case EGL_SURFACE_TYPE: *value = configuration->mSurfaceType; break; + case EGL_TRANSPARENT_TYPE: *value = configuration->mTransparentType; break; + case EGL_TRANSPARENT_BLUE_VALUE: *value = configuration->mTransparentBlueValue; break; + case EGL_TRANSPARENT_GREEN_VALUE: *value = configuration->mTransparentGreenValue; break; + case EGL_TRANSPARENT_RED_VALUE: *value = configuration->mTransparentRedValue; break; + case EGL_BIND_TO_TEXTURE_RGB: *value = configuration->mBindToTextureRGB; break; + case EGL_BIND_TO_TEXTURE_RGBA: *value = configuration->mBindToTextureRGBA; break; + case EGL_MIN_SWAP_INTERVAL: *value = configuration->mMinSwapInterval; break; + case EGL_MAX_SWAP_INTERVAL: *value = configuration->mMaxSwapInterval; break; + case EGL_LUMINANCE_SIZE: *value = configuration->mLuminanceSize; break; + case EGL_ALPHA_MASK_SIZE: *value = configuration->mAlphaMaskSize; break; + case EGL_COLOR_BUFFER_TYPE: *value = configuration->mColorBufferType; break; + case EGL_RENDERABLE_TYPE: *value = configuration->mRenderableType; break; + case EGL_MATCH_NATIVE_PIXMAP: *value = false; UNIMPLEMENTED(); break; + case EGL_CONFORMANT: *value = configuration->mConformant; break; + default: + return false; + } + + return true; +} + +bool Display::createDevice() +{ + static const TCHAR windowName[] = TEXT("AngleHiddenWindow"); + static const TCHAR className[] = TEXT("STATIC"); + + mDeviceWindow = CreateWindowEx(WS_EX_NOACTIVATE, className, windowName, WS_DISABLED | WS_POPUP, 0, 0, 1, 1, HWND_MESSAGE, NULL, GetModuleHandle(NULL), NULL); + + D3DPRESENT_PARAMETERS presentParameters = {0}; + + // The default swap chain is never actually used. Surface will create a new swap chain with the proper parameters. + presentParameters.AutoDepthStencilFormat = D3DFMT_UNKNOWN; + presentParameters.BackBufferCount = 1; + presentParameters.BackBufferFormat = D3DFMT_UNKNOWN; + presentParameters.BackBufferWidth = 1; + presentParameters.BackBufferHeight = 1; + presentParameters.EnableAutoDepthStencil = FALSE; + presentParameters.Flags = 0; + presentParameters.hDeviceWindow = mDeviceWindow; + presentParameters.MultiSampleQuality = 0; + presentParameters.MultiSampleType = D3DMULTISAMPLE_NONE; + presentParameters.PresentationInterval = convertInterval(mMinSwapInterval); + presentParameters.SwapEffect = D3DSWAPEFFECT_DISCARD; + presentParameters.Windowed = TRUE; + + DWORD behaviorFlags = D3DCREATE_FPU_PRESERVE | D3DCREATE_NOWINDOWCHANGES; + + HRESULT result = mD3d9->CreateDevice(mAdapter, mDeviceType, mDeviceWindow, behaviorFlags | D3DCREATE_HARDWARE_VERTEXPROCESSING | D3DCREATE_PUREDEVICE, &presentParameters, &mDevice); + + if (result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY) + { + return error(EGL_BAD_ALLOC, false); + } + + if (FAILED(result)) + { + result = mD3d9->CreateDevice(mAdapter, mDeviceType, mDeviceWindow, behaviorFlags | D3DCREATE_SOFTWARE_VERTEXPROCESSING, &presentParameters, &mDevice); + + if (result == D3DERR_OUTOFVIDEOMEMORY || result == E_OUTOFMEMORY) + { + return error(EGL_BAD_ALLOC, false); + } + } + + ASSERT(SUCCEEDED(result)); + + // Permanent non-default states + mDevice->SetRenderState(D3DRS_POINTSPRITEENABLE, TRUE); + + mSceneStarted = false; + + return true; +} + +Surface *Display::createWindowSurface(HWND window, EGLConfig config) +{ + const Config *configuration = mConfigSet.get(config); + + Surface *surface = new Surface(this, configuration, window); + mSurfaceSet.insert(surface); + + return surface; +} + +EGLContext Display::createContext(EGLConfig configHandle, const gl::Context *shareContext) +{ + const egl::Config *config = mConfigSet.get(configHandle); + + gl::Context *context = glCreateContext(config, shareContext); + mContextSet.insert(context); + + return context; +} + +void Display::destroySurface(egl::Surface *surface) +{ + delete surface; + mSurfaceSet.erase(surface); +} + +void Display::destroyContext(gl::Context *context) +{ + glDestroyContext(context); + mContextSet.erase(context); +} + +bool Display::isInitialized() +{ + return mD3d9 != NULL && mConfigSet.size() > 0; +} + +bool Display::isValidConfig(EGLConfig config) +{ + return mConfigSet.get(config) != NULL; +} + +bool Display::isValidContext(gl::Context *context) +{ + return mContextSet.find(context) != mContextSet.end(); +} + +bool Display::isValidSurface(egl::Surface *surface) +{ + return mSurfaceSet.find(surface) != mSurfaceSet.end(); +} + +bool Display::hasExistingWindowSurface(HWND window) +{ + for (SurfaceSet::iterator surface = mSurfaceSet.begin(); surface != mSurfaceSet.end(); surface++) + { + if ((*surface)->getWindowHandle() == window) + { + return true; + } + } + + return false; +} + +void Display::setSwapInterval(GLint interval) +{ + mSwapInterval = interval; + mSwapInterval = std::max(mSwapInterval, mMinSwapInterval); + mSwapInterval = std::min(mSwapInterval, mMaxSwapInterval); + + mPresentInterval = convertInterval(mSwapInterval); +} + +DWORD Display::getPresentInterval() +{ + return mPresentInterval; +} + +DWORD Display::convertInterval(GLint interval) +{ + switch(interval) + { + case 0: return D3DPRESENT_INTERVAL_IMMEDIATE; + case 1: return D3DPRESENT_INTERVAL_ONE; + case 2: return D3DPRESENT_INTERVAL_TWO; + case 3: return D3DPRESENT_INTERVAL_THREE; + case 4: return D3DPRESENT_INTERVAL_FOUR; + default: UNREACHABLE(); + } + + return D3DPRESENT_INTERVAL_DEFAULT; +} + +IDirect3DDevice9 *Display::getDevice() +{ + return mDevice; +} + +D3DCAPS9 Display::getDeviceCaps() +{ + return mDeviceCaps; +} + +void Display::getMultiSampleSupport(D3DFORMAT format, bool *multiSampleArray) +{ + for (int multiSampleIndex = 0; multiSampleIndex <= D3DMULTISAMPLE_16_SAMPLES; multiSampleIndex++) + { + HRESULT result = mD3d9->CheckDeviceMultiSampleType(mAdapter, mDeviceType, format, + TRUE, (D3DMULTISAMPLE_TYPE)multiSampleIndex, NULL); + + multiSampleArray[multiSampleIndex] = SUCCEEDED(result); + } +} + +bool Display::getCompressedTextureSupport() +{ + D3DDISPLAYMODE currentDisplayMode; + mD3d9->GetAdapterDisplayMode(mAdapter, ¤tDisplayMode); + + return SUCCEEDED(mD3d9->CheckDeviceFormat(mAdapter, mDeviceType, currentDisplayMode.Format, 0, D3DRTYPE_TEXTURE, D3DFMT_DXT1)); +} +} |